The summary provided is a brief introduction to Olivia Newton-John’s real estate portfolio. It highlights her success as a country-pop crossover artist and her lavish lifestyle. To expand on this, we can delve deeper into the specifics of her properties, exploring the locations, architectural styles, and features that made them unique.

The summary provided focuses on the real estate portfolio of the late fashion icon, Diana Ross. It highlights that two of her luxury properties have recently been put up for sale following her death in August 2022. The summary mentions that these properties are being marketed as part of her estate. **Detailed Text:**

Diana Ross, the legendary singer and actress, left behind a legacy that extended far beyond the music industry. Her influence on fashion and style was undeniable, and her opulent lifestyle was reflected in her impressive real estate portfolio.